CN219484939U - End face processing structure of toothed part - Google Patents
End face processing structure of toothed part Download PDFInfo
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- CN219484939U CN219484939U CN202320290713.0U CN202320290713U CN219484939U CN 219484939 U CN219484939 U CN 219484939U CN 202320290713 U CN202320290713 U CN 202320290713U CN 219484939 U CN219484939 U CN 219484939U
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- toothed part
- positioning
- pressing
- inclined surface
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Abstract
The utility model relates to the technical field of machining, in particular to a machining structure for an end face of a part with teeth. After the toothed part is positioned on the positioning tooth die through the center auxiliary equipment to finish the processing of the clamping surface, the pressing assembly drives the plurality of pressing plates to synchronously press the toothed part on the positioning tooth die, so that the original multi-order processing is concentrated to finish the processing in one order, and the transfer time and the feeding and discharging time between the working procedures are saved; the clamping of all surfaces of the toothed part is completed by once clamping on the positioning tooth die, so that the machining precision is higher and the production efficiency is higher; errors caused by multi-sequence clamping and machining are avoided; meanwhile, the positioning tooth die is used for positioning the toothed part, automatic centering of the toothed part is achieved through meshing of the positioning tooth die and the toothed part, the positioning tooth die has the technical advantages of being simple in structure and reliable in operation, meanwhile, the toothed part with different sizes is conveniently limited and fixed, and the practicability of the device is greatly improved.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a machining structure for an end face of a part with teeth.
Background
The existing metal cutting processing method, especially turning, uses a three-jaw chuck as a clamping piece more commonly, and uses radial movement of three jaws uniformly distributed on a chuck body to clamp and position a workpiece, and the rotation center of the workpiece can be determined according to the circumference of a clamping part of the workpiece, so that the three-jaw chuck with various specifications is large in use amount.
At present, the processing of the toothed part is gradually cut, all surfaces of the toothed part are required to be disassembled for a plurality of times, the processing precision is low, the clamping is inconvenient, and meanwhile, uneven clamping force can be caused when clamping the side surface of the toothed part by adopting the clamping jaw, so that the processing precision of the part is very high, and the processing precision of the part is limited to a certain extent.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the end face processing structure of the toothed part, which saves the transfer time and the feeding and discharging time between working procedures, has higher processing precision and production efficiency and greatly improves the practicability of the device.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
a toothed part end face machining structure comprising:
the device comprises a body, wherein a processing cover plate is arranged on the body, and a positioning station is arranged on the processing cover plate;
the positioning base is arranged on the positioning station and is provided with a positioning tooth die matched with the toothed part;
the pressing assembly is arranged on the body and is in driving connection with the plurality of pressing plates, and the pressing assembly is used for driving the plurality of pressing plates to synchronously press the toothed part on the positioning tooth die.
The positioning base comprises a base plate, the base plate is fixedly connected with the processing cover plate through bolts, positioning columns are vertically arranged on the base plate, and the positioning tooth dies are arranged on the positioning columns.
In one embodiment of the utility model, the positioning tooth mold comprises a plurality of positioning blocks, the positioning blocks are arranged on the positioning base, the plurality of positioning blocks are arranged on the same circumference in a surrounding mode, and positioning grooves matched with the toothed parts are formed between the adjacent positioning blocks.
In one embodiment of the present utility model, the positioning block includes a first connection surface and a second connection surface, where the first connection surface and the second connection surface pass through two positioning side surfaces, and a projection area of the first connection surface on the second connection surface is smaller than an area of the second connection surface, so that a section of the positioning block is in a trapezoid structure.
In one embodiment of the utility model, the positioning block is provided with a guide inclined plane, one end of the guide inclined plane is connected with the second connecting surface, the other end of the guide inclined plane is connected with the first connecting surface, the guide inclined plane is connected with the second connecting surface through an arc surface, and the middle part of the guide inclined plane protrudes upwards to be slightly higher than the periphery of the guide inclined plane.
In one embodiment of the utility model, the free end of the pressing plate is provided with a pressing part, the pressing part is provided with a pressing groove, the pressing groove is matched with the machining surface of the toothed part, the pressing groove is provided with an avoiding groove, and the avoiding groove is matched with the side surface of the toothed part.
In one embodiment of the utility model, the pressing plate is provided with a pushing block, the pushing block is arranged on the side wall of the pressing groove, and the pushing block is provided with a pushing groove matched with the toothed part.
In one embodiment of the utility model, the pressing assembly comprises a main shaft, an end plate is arranged on the main body, the main shaft is arranged on the end plate in a penetrating manner, a guide hole is arranged on the processing cover plate, a pressing rod is arranged on the guide hole in a penetrating manner, a connecting plate is arranged on the main shaft and is in driving connection with a plurality of pressing rods, and the main shaft drives the pressing plate on the pressing rod to press the toothed part on the positioning tooth die.
In one embodiment of the utility model, a sleeve is sleeved on the main shaft, a first inclined plane is arranged on the sleeve, a second inclined plane is arranged on the material pressing rod, the first inclined plane is in butt joint with the second inclined plane, and the material pressing rod is arranged on a joint bearing of the guide hole in a penetrating mode, so that the material pressing rod is always pressed on the main shaft, and when the main shaft drives the material pressing rod to move towards the toothed part, a pressing plate on the material pressing rod is far away from the toothed part under the action of the first inclined plane and the second inclined plane.
In one embodiment of the utility model, a dust cover is arranged on the guide hole, a dust hole is arranged on the dust cover, and a sealing check ring is arranged on the dust hole.
The utility model has the beneficial effects that:
after the toothed part is positioned on the positioning tooth die through the center auxiliary equipment to finish the processing of the clamping surface, the pressing assembly drives the plurality of pressing plates to synchronously press the toothed part on the positioning tooth die, so that the original multi-order processing is concentrated to finish the processing in one order, and the transfer time and the feeding and discharging time between the working procedures are saved; the clamping of all surfaces of the toothed part is completed by once clamping on the positioning tooth die, so that the machining precision is higher and the production efficiency is higher; errors caused by multi-sequence clamping and machining are avoided; meanwhile, the positioning tooth die is used for positioning the toothed part, automatic centering of the toothed part is achieved through meshing of the positioning tooth die and the toothed part, the positioning tooth die has the technical advantages of being simple in structure and reliable in operation, meanwhile, the toothed part with different sizes is conveniently limited and fixed, and the practicability of the device is greatly improved.
Drawings
Fig. 1 is a schematic diagram of an end face processing structure of a toothed part of the present utility model.
Fig. 2 is a schematic view of a press assembly according to the present utility model.
Fig. 3 is a schematic view of the press-fit plate of the present utility model.
The reference numerals in the figures illustrate: 1. a body; 11. a main shaft; 12. processing a cover plate; 13. a guide hole; 14. a dust cover; 15. an end plate; 3. a pressing rod; 31. a knuckle bearing; 32. a sleeve; 33. a first inclined surface; 34. a second inclined surface; 4. a pressing plate; 41. a pressing part; 42. a pressing groove; 43. an avoidance groove; 44. a pushing block; 45. a pushing groove; 5. a toothed part; 51. a clamping surface; 6. a substrate; 61. positioning columns; 7. a positioning block; 71. a positioning groove; 72. positioning the side surface; 73. a second connection surface; 74. and a guiding inclined plane.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1-3, a toothed part end face machining structure includes:
the device comprises a body 1, wherein a processing cover plate 12 is arranged on the body 1, and a positioning station is arranged on the processing cover plate 12;
the positioning base is arranged on the positioning station and is provided with a positioning tooth die matched with the toothed part 5;
the pressing assembly is arranged on the body 1 and is in driving connection with a plurality of pressing plates, and the pressing assembly is used for driving the plurality of pressing plates to synchronously press the toothed part 5 on the positioning tooth die.
After the toothed part 5 is positioned on the positioning tooth die through the center auxiliary equipment to finish the processing of the clamping surface 51, the pressing assembly drives the plurality of pressing plates to synchronously press the toothed part 5 on the positioning tooth die, so that the original multi-order processing is concentrated to finish the processing in one order, and the transfer time and the feeding and discharging time between the working procedures are saved; the clamping of all surfaces of the toothed part 5 is completed by once clamping on the positioning tooth die, so that the machining precision is higher and the production efficiency is higher; errors caused by multi-sequence clamping and machining are avoided; meanwhile, the positioning tooth die is used for positioning the toothed part 5, automatic centering of the toothed part 5 is achieved through meshing of the positioning tooth die and the toothed part 5, the positioning tooth die has the technical advantages of being simple in structure and reliable in operation, meanwhile, limiting and fixing of the toothed part 5 with different sizes are facilitated, and practicality of the device is greatly improved.
The utility model is mainly applied to the processing and positioning of toothed parts 5 such as planetary teeth, half-shaft teeth and the like of the differential mechanism, so that the clamping device can clamp and finish the processing of all surfaces at one time.
The positioning base comprises a base plate 6, the base plate 6 is fixedly connected with the processing cover plate 12 through bolts, positioning columns 61 are vertically arranged on the base plate 6, and the positioning tooth dies are arranged on the positioning columns 61.
In one embodiment of the present utility model, the positioning tooth mold includes a plurality of positioning blocks 7, the positioning blocks 7 are disposed on the positioning base, the plurality of positioning blocks 7 are enclosed on the same circumference, and positioning grooves 71 matched with the toothed parts 5 are formed between adjacent positioning blocks 7.
Specifically, place the toothed part 5 on the location tooth mould for the tooth card of toothed part 5 is established on the constant head tank 71 between adjacent locating piece 7, can make toothed part 5 and location tooth face contact surface bigger, relies on the location tooth mould to carry out automatic centering to toothed part 5, and the anchor clamps need not to adjust, better assurance precision, greatly reduced rejection rate.
In one embodiment of the present utility model, the positioning block 7 includes a first connecting surface and a second connecting surface 73, the first connecting surface and the second connecting surface 73 pass through two positioning side surfaces 72, and a projection area of the first connecting surface on the second connecting surface 73 is smaller than an area of the second connecting surface 73, so that a cross section of the positioning block 7 has a trapezoid structure.
Specifically, the teeth of the toothed part 5 are clamped on the positioning grooves 71 between the adjacent positioning blocks 7, the teeth of the toothed part 5 are abutted against the two positioning side surfaces 72, the projection area of the first connecting surface on the second connecting surface 73 is smaller than the area of the second connecting surface 73, the section of the positioning block 7 is in a trapezoid structure, the toothed part 5 is supported conveniently, and the supporting effect of the toothed part 5 is guaranteed.
In one embodiment of the present utility model, the positioning block 7 is provided with a guiding inclined plane 74, one end of the guiding inclined plane is connected with the second connecting surface 73, the other end of the guiding inclined plane is connected with the first connecting surface, the guiding inclined plane is connected with the second connecting surface 73 through an arc surface, and the middle part of the guiding inclined plane protrudes upwards to be slightly higher than the periphery of the guiding inclined plane.
Specifically, the middle part of the guiding inclined plane is raised upwards to be slightly higher than the periphery of the guiding inclined plane, when the toothed part 5 is placed, teeth on the toothed part 5 slide to the positioning groove 71 more easily, the part does not need to be disassembled, additional tools are not needed, and the guiding inclined plane is simple in structure and convenient to operate.
In one embodiment of the present utility model, the free end of the pressing plate is provided with a pressing portion 41, a pressing groove 42 is provided on the pressing portion 41, the pressing groove 42 is matched with the processing surface of the toothed part 5, and a avoiding groove 43 is provided on the pressing groove 42, and the avoiding groove 43 is matched with the side surface of the toothed part 5.
Specifically, the pressing portion 41 on the pressing plate 4 moves towards the toothed part 5, so that the pressing groove 42 is pressed on the machined clamping surface 51 of the toothed part 5, compared with the pressing damage caused by sliding contact only when the part is axially pressed, the pressing groove 42 is used for pressing the toothed part 5 on the positioning tooth die, so that the toothed part is pressed by the contact forming hard claw, the stress is more uniform, the pressure is smaller, no pressing damage exists, and the clamping is more stable.
In one embodiment of the utility model, a pushing block 44 is arranged on the pressing plate, the pushing block 44 is arranged on the side wall of the pressing groove 42, and a pushing groove 45 matched with the toothed part 5 is arranged on the pushing block 44.
Specifically, the pushing block 44 is provided with the pushing groove 45 matched with the toothed part 5, and when the clamping surface 51 is positioned by the pressing groove 42, the pushing groove 45 can position the side surface of the toothed part 5 which is processed, so that the stability of positioning the toothed part 5 is further ensured, the precision of clamping and positioning is improved, the structure is simple, and the manufacturing cost is low.
In one embodiment of the present utility model, the pressing assembly includes a main shaft 11, an end plate 15 is disposed on the main body 1, the main shaft 11 is disposed on the end plate 15 in a penetrating manner, a guide hole 13 is disposed on the processing cover plate 12, a pressing rod 3 is disposed on the guide hole 13 in a penetrating manner, a connecting plate is disposed on the main shaft 11, the connecting plate is in driving connection with the plurality of pressing rods 3, and the main shaft 11 drives the pressing plate on the pressing rod 3 to press the toothed part 5 on the positioning tooth mold.
Specifically, the main shaft 11 drives the material pressing rod 3 to move towards the toothed part 5, so that the material pressing plate on the material pressing rod 3 is driven to press the toothed part 5 on the positioning tooth die, the positioning stress of the toothed part 5 is more uniform, the precision is better ensured, the production error is reduced, and the working efficiency is improved.
In one embodiment of the present utility model, the sleeve 32 is sleeved on the main shaft 11, a first inclined plane 33 is provided on the sleeve 32, a second inclined plane 34 is provided on the pressing rod 3, the first inclined plane 33 abuts against the second inclined plane 34, and the pressing rod 3 is inserted into the joint bearing 31 of the guide hole 13, so that the pressing rod 3 is always pressed on the main shaft 11, and when the main shaft 11 drives the pressing rod 3 to move towards the toothed part 5, the pressing plate 4 on the pressing rod 3 is far away from the toothed part 5 under the action of the first inclined plane 33 and the second inclined plane 34.
Specifically, the main shaft 11 drives the pressing rod 3 to move towards the toothed part 5, meanwhile, the pressing plate 4 on the pressing rod 3 is far away from the toothed part 5 under the action of the first inclined surface 33 and the second inclined surface 34 on the sleeve 32, after the pressing plate 4 is positioned at a proper position, the main shaft 11 retreats, so that the pressing part 41 on the pressing plate 4 moves towards the toothed part 5, the pressing groove 42 is pressed on the processed clamping surface 51 of the toothed part 5, the pressing plate 4 and the pressing rod 3 move in a matched manner through the first inclined surface 33 and the second inclined surface 34, the floating movement of the pressing plate 4 is realized, the interference to the toothed part 5 in the moving process of the pressing plate 4 is avoided, and the positioning effect of the toothed part 5 is ensured.
In one embodiment of the present utility model, the guide hole 13 is provided with a dust cover 14, the dust cover 14 is provided with a dust hole, and the dust hole is provided with a sealing retainer ring.
Specifically, be provided with dustproof hole on the shield 14, be provided with sealing ring on the dustproof hole, can avoid dust or impurity to get into in the body 1, made things convenient for maintenance operation, moreover, reduce the impaired probability of spare part in the body 1.
The using process comprises the following steps:
the toothed part 5 is placed on a positioning toothed mold, teeth of the toothed part 5 are clamped on positioning grooves 71 between adjacent positioning blocks 7, teeth of the toothed part 5 are abutted against two positioning side surfaces 72, the toothed part 5 is automatically centered by means of the positioning toothed mold, a clamping surface 51 is firstly machined, a tip tightly pushes the toothed part 5 on the positioning toothed mold, the outer side surface of the toothed part 5 is machined, after machining is finished, a main shaft 11 drives a pressing rod 3 to move towards the toothed part 5, meanwhile, a pressing plate 4 on the pressing rod 3 is far away from the toothed part 5 under the action of a first inclined surface 33 and a second inclined surface 34 on a sleeve 32, after the pressing plate 4 is in a proper position, the main shaft 11 is retracted, a pressing part 41 on the pressing plate 4 moves towards the toothed part 5, the pressing groove 42 is pressed on the machined clamping surface 51 of the toothed part 5, the tip is withdrawn from the toothed part 5, and the rest machining surfaces on the toothed part 5 side are machined, namely all surfaces of the toothed part 5 are machined through the two steps.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The utility model provides a toothed part terminal surface processing structure which characterized in that includes:
the device comprises a body, wherein a processing cover plate is arranged on the body, and a positioning station is arranged on the processing cover plate;
the positioning base is arranged on the positioning station and is provided with a positioning tooth die matched with the toothed part;
the pressing assembly is arranged on the body and is in driving connection with the plurality of pressing plates, and the pressing assembly is used for driving the plurality of pressing plates to synchronously press the toothed part on the positioning tooth die.
2. The toothed part end face machining structure of claim 1, wherein the positioning base comprises a base plate fixedly connected with the machining cover plate through bolts, positioning columns are vertically arranged on the base plate, and the positioning tooth dies are arranged on the positioning columns.
3. The toothed part end face machining structure of claim 1, wherein the positioning tooth die comprises a plurality of positioning blocks, the positioning blocks are arranged on the positioning base, the plurality of positioning blocks are arranged on the same circumference in a surrounding mode, and positioning grooves matched with the toothed part are formed between adjacent positioning blocks.
4. A toothed part end face machining structure according to claim 3, wherein the positioning block comprises a first connecting surface and a second connecting surface, the first connecting surface and the second connecting surface pass through two positioning side surfaces, and the projection area of the first connecting surface on the second connecting surface is smaller than the area of the second connecting surface, so that the section of the positioning block is in a trapezoid structure.
5. The structure for machining an end face of a toothed part according to claim 4, wherein a guide inclined surface is provided on the positioning block, one end of the guide inclined surface is connected with the second connecting surface, the other end of the guide inclined surface is connected with the first connecting surface, the guide inclined surface and the second connecting surface are connected through an arc surface, and the middle part of the guide inclined surface protrudes upwards to be slightly higher than the periphery of the guide inclined surface.
6. The toothed part end face processing structure according to claim 1, wherein the free end of the pressing plate is provided with a pressing portion, the pressing portion is provided with a pressing groove, the pressing groove is matched with the processing face of the toothed part, the pressing groove is provided with an avoiding groove, and the avoiding groove is matched with the side face of the toothed part.
7. The toothed part end face processing structure of claim 6, wherein a pushing block is arranged on the pressing plate, the pushing block is arranged on the side wall of the pressing groove, and a pushing groove matched with the toothed part is arranged on the pushing block.
8. The toothed part end face machining structure of claim 1, wherein the pressing assembly comprises a main shaft, an end plate is arranged on the main body, the main shaft is arranged on the end plate in a penetrating mode, a guide hole is formed in the machining cover plate, a pressing rod is arranged on the guide hole in a penetrating mode, a connecting plate is arranged on the main shaft and is in driving connection with the plurality of pressing rods, and the pressing plate on the main shaft drives the pressing rod to press the toothed part on the positioning tooth die.
9. The toothed part end face machining structure of claim 8, wherein a sleeve is sleeved on the main shaft, a first inclined surface is arranged on the sleeve, a second inclined surface is arranged on the pressing rod, the first inclined surface is in butt joint with the second inclined surface, the pressing rod is arranged on a joint bearing of the guide hole in a penetrating mode, and accordingly the pressing rod is always pressed on the main shaft, and when the main shaft drives the pressing rod to move towards the toothed part, a pressing plate on the pressing rod is away from the toothed part under the action of the first inclined surface and the second inclined surface.
10. The toothed part end face processing structure of claim 8, wherein a dust cover is provided on the guide hole, a dust hole is provided on the dust cover, and a sealing retainer ring is provided on the dust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320290713.0U CN219484939U (en) | 2023-02-23 | 2023-02-23 | End face processing structure of toothed part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320290713.0U CN219484939U (en) | 2023-02-23 | 2023-02-23 | End face processing structure of toothed part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484939U true CN219484939U (en) | 2023-08-08 |
Family
ID=87506509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320290713.0U Active CN219484939U (en) | 2023-02-23 | 2023-02-23 | End face processing structure of toothed part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484939U (en) |
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2023
- 2023-02-23 CN CN202320290713.0U patent/CN219484939U/en active Active
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